To make a project takes a relatively long term, while the students have to study in different courses with. Which allows students to have not enough time and may not finish on time.
The project requires a relatively long period of time while the student was enrolled in another course as well. This allows students with insufficient time and may not be completed on time.
The project takes in quite a long time while students have to learn in the course of the other. The students have no enough time and the work may not be finished on time.